Polymers made from quaternary ammonium acrylic monomers
US4973637A · kind A · utility
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3References
11Claims
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Key dates
| Filing date | Feb 22, 1990 |
| Grant date | Nov 27, 1990 |
| Priority date | — |
| Expiry date | Feb 22, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C233/36
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Quaternary ammonium containing monomers, represented by the formula: ##STR1## wherein R.sub.1 is H or methyl, R.sub.2 is an alkyl group containing 6 to 22 carbon atoms, D is an alkylene group containing 1 to 4 carbon atoms, or a hydroxylalkylene group containing 2 to 4 carbon atoms and X is an anion, are polymerized to form polymers useful in hair care preparations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.